Permanent Unlock Service allows you to use any SIM card from any Carrier you want. Available for Sony Ericsson, LG, HTC, Huawei, Alcatel, Blackberry and ZTE.
Own the device you bought. Feel free to use any custom kernel and any custom rom you want. Even better, cook your own custom rom. Possibilities are endless. This service is only for Sony Ericsson Xperia phones and is included on the SIM unlock service.
Trim Area (GDFS/EEPROM) is the most important part of the software on the Smartphone. If your device doesn't turn or even if PC doesn't detect it for flashing, this service is what you need. Also works for fix IMEI problems when you can't get signal.
If your phone suddenly lost signal or if it says Wrong SIM Card this is the service you need. After repair "Radio Brick" phone will be Unlocked and fully working.